COUNTY · OH

Belmont County, Ohio

Belmont County is a county in Ohio with FIPS code 39013 and an estimated population of 64,918 (Census 2023), 37th largest of 88 in the state.

County facts

Name
Belmont County
State
Ohio
Type
county
FIPS code
39013
State FIPS
39
Population (2023)
64,918
Change since 2020
-2.1%
State rank
37 of 88

Population is the Census Bureau’s Vintage 2023 estimate.

Other counties in Ohio

Questions

What is the FIPS code for Belmont County?

Belmont County, Ohio has the five-digit FIPS code 39013: 39 for the state and 013 for the county.

What state is Belmont County in?

Belmont County is in Ohio.

How do I know if an address is in this county?

Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.

Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.